# The Feeding Stuffs Regulations 1991, Part II: Declaration of Analytical Constituents Feeding stuffs Analytical constituents and levels Species or category of animal Compulsory declarations Optional declarations (1) (2) (3) (4) Complete feeding stuffs —Crude protein —Crude oils and fats —Crude fibre —Crude ash Animals except pets other than dogs or cats Pets other than dogs or cats —Lysine Pigs Animals other than pigs —Methionine Poultry Animals other than poultry —Cystine —Threonine —Tryptophan … … … All animals —Energy value … Poultry (calculated according to EEC method—see Schedule 9) … Pigs and ruminants (calculated according to national official methods—see Schedule 9) —Starch —Total sugar (as sucrose) —Total sugar plus starch —Calcium —Sodium —Phosphorus —Magnesium —Potassium … … … … … … … … All animals Complementary feeding stuffs—Mineral —Crude protein —Crude fibre —Crude ash —Crude oils and fats —Lysine —Methionine —Cystine —Threonine —yptophan … … … … … … … … … All animals —Calcium —Phosphorus —Sodium All animals —Magnesium Ruminants Animals other than ruminants —Potassium … All animals Complementary feeding stuffs—Molassed —Crude protein —Crude fibre —Total sugar (as sucrose) —Crude ash All animals —Crude oils and fats … All animals —Calcium —Phosphorus —Sodium —Potassium … … … … All animals —Magnesium ≥0.5% Ruminants Animals other than ruminants <0.5% … All animals Complementary feeding stuffs—Other —Crude protein —Crude oils and fats —Crude fibre —Crude ash Animals except pets other than dogs and cats Pets other than dogs and cats —Calcium ≥5% Animals other than pets Pets <5% … All animals —Phosphorus ≥2% Animals other than pets Pets <2% … All animals —Magnesium ≥0.5% Ruminants Animals other than ruminants <0.5% —Sodium —Potassium … … … All animals —Energy value … Poultry (declaration according to EEC method—see Schedule 9) … Pigs and ruminants (declaration according to national official methods—see Schedule 9) —Lysine Pigs Animals other than pigs —Methionine Poultry Animals other than poultry —Cystine —Threonine —Tryptophan —Starch —Total sugar (as sucrose) —Total sugar plus starch … … … … … … All animals --- Source: https://www.legislation.gov.uk/uksi/1991/2840/schedule/1/part/II (the official version) Page: https://openlegislation.uk/feeding-stuffs-regulations-1991/schedule-1/part-II Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.